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Finding the Fourth Proportional to 16,919.17, 25,383.95 and 7,567.06

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Solution

The fourth proportional to 16,919.17, 25,383.95 and 7,567.06 is: 11,352.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,919.17 : 25,383.95 = 7,567.06 : x
  2. Step 2: Convert to fraction form
    16,919.17/25,383.95 = 7,567.06/x
  3. Step 3: Cross multiply
    16,919.17x = 25,383.95 × 7,567.06
  4. Step 4: Simplify right side
    16,919.17x = 192,081,790.31
  5. Step 5: Solve for x
    x = 192,081,790.31/16,919.17
  6. Step 6: Final answer
    x = 11,352.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.